<template>
	<div>
		<!-- 面包屑导航 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>商品管理</el-breadcrumb-item>
			<el-breadcrumb-item>商品列表</el-breadcrumb-item>
		</el-breadcrumb>

		<!-- 卡片区域 -->
		<el-card>
			<!-- 搜索与添加区域 -->
			<el-row :gutter="20">
				<el-col :span="8">
					<el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
						<el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
					</el-input>
				</el-col>
				<el-col :span="4">
					<el-button type="primary" @click="goAddPage">添加商品</el-button>
				</el-col>
			</el-row>

			<!-- table列表区域 -->
			<el-table :data="goodsList" border stripe>
				<el-table-column type="index"></el-table-column>
				<el-table-column label="商品名称" prop="goods_name"></el-table-column>
				<el-table-column label="商品价格(元)" prop="goods_price" width="105px"></el-table-column>
				<el-table-column label="商品重量" prop="goods_weight" width="80px"></el-table-column>
				<el-table-column label="创建时间" prop="add_time" width="160px">
					<template v-slot="scope">{{scope.row.add_time|dateFormat }}</template>
				</el-table-column>
				<el-table-column label="操作" width="130px">
					<template v-slot="scope">
						<el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
						<el-button
							type="danger"
							icon="el-icon-delete"
							size="mini"
							@click="removeById(scope.row.goods_id)"
						></el-button>
					</template>
				</el-table-column>
			</el-table>
			<!-- 页码区域 -->
			<el-pagination
				@size-change="handleSizeChange"
				@current-change="handleCurrentChange"
				:current-page="queryInfo.pagenum"
				:page-sizes="[5, 10, 20, 30]"
				:page-size="queryInfo.pagesize"
				layout="total, sizes, prev, pager, next, jumper"
				:total="total"
				background
			></el-pagination>
		</el-card>
	</div>
</template>
<script>
export default {
	data() {
		return {
			queryInfo: {
				query: '',
				pagenum: 1,
				pagesize: 10
			},
			goodsList: [],
			total: 0
		}
	},
	created() {
		this.getGoodsList()
	},
	methods: {
		async getGoodsList() {
			//获取所有商品列表
			const { data: res } = await this.$http.get('goods', {
				params: this.queryInfo
			})
			if (res.meta.status !== 200) {
				return this.$message.error({
					message: res.meta.msg,
					offset: 100
				})
			}

			this.goodsList = res.data.goods
			this.total = res.data.total
		},
		handleSizeChange(newSize) {
			this.queryInfo.pagesize = newSize
			this.getGoodsList()
		},
		handleCurrentChange(newPage) {
			this.queryInfo.pagenum = newPage
			this.getGoodsList()
		},
		removeById(id) {
			//删除商品的按钮点击事件
			this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
				confirmButtonText: '确定',
				cancelButtonText: '取消',
				type: 'warning'
			})
				.then(() => {
					this.$http
						.delete('goods/' + id)
						.then(res => {
							if (res.data.meta.status !== 200) {
								return this.$message({
									type: 'info',
									message: res.data.meta.msg
								})
							}
							this.$message({
								type: 'success',
								message: res.data.meta.msg
							})
							this.getGoodsList()
						})
						.catch(err => err)
				})
				.catch(() => {
					this.$message({
						type: 'info',
						message: '已取消删除'
					})
				})
		},
		goAddPage() {
			//添加商品按钮
			this.$router.push('/goods/add')
		}
	}
}
</script>